Traffic Light Signal Diagram - Red, Yellow, Green Meaning and Usage #1234655 (License: Personal Use)

This image shows a standard vertical traffic light with three circular lamps: red at the top, amber (yellow) in the center, and green at the bottom, all housed in a matte black casing. The lights are evenly spaced and illuminated, indicating a clear visual hierarchy aligned with international road safety standards. Such signals are foundational to traffic control systems in urban and suburban environments.

Used on transportation, driver education, road safety, and municipal infrastructure web pages; matches user intent for understanding traffic rules, preparing for driving tests, or designing signage systems.